AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/riscv/lib/udivdi3.S

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 97 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.025053186@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-29 21:18:00 +07:00
/* SPDX-License-Identifier: GPL-2.0-only */
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
/*
* Copyright (C) 2016-2017 Free Software Foundation, Inc.
*/
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
#include <linux/linkage.h>
ENTRY(__udivdi3)
mv a2, a1
mv a1, a0
li a0, -1
beqz a2, .L5
li a3, 1
bgeu a2, a1, .L2
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
.L1:
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
blez a2, .L2
slli a2, a2, 1
slli a3, a3, 1
bgtu a1, a2, .L1
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
.L2:
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
li a0, 0
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
.L3:
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
bltu a1, a2, .L4
sub a1, a1, a2
or a0, a0, a3
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
.L4:
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
srli a3, a3, 1
srli a2, a2, 1
bnez a3, .L3
RISC-V: Generic library routines and assembly This patch contains code that is more specific to the RISC-V ISA than it is to Linux. It contains string and math operations, C wrappers for various assembly instructions, stack walking code, and uaccess. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2017-07-11 08:03:19 +07:00
.L5:
RISC-V: lib: minor asm cleanup Fix tab/space conversion and use ENTRY/ENDPROC macros. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-10-31 13:47:08 +07:00
ret
ENDPROC(__udivdi3)
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